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10320231312 = 2432161944267
BaseRepresentation
bin10011001110010001…
…00011101110010000
3222122020100001220100
421213020203232100
5132113434400222
64424022212400
7513513342636
oct114710435620
928566301810
1010320231312
114416557596
122000284100
13c8614ca61
146dc8c1356
154060664ac
hex267223b90

10320231312 has 60 divisors (see below), whose sum is σ = 28900806480. Its totient is φ = 3437874624.

The previous prime is 10320231287. The next prime is 10320231323. The reversal of 10320231312 is 21313202301.

10320231312 is a `hidden beast` number, since 1 + 0 + 320 + 2 + 31 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211003 + ... + 255269.

It is an arithmetic number, because the mean of its divisors is an integer number (481680108).

Almost surely, 210320231312 is an apocalyptic number.

10320231312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10320231312 is an abundant number, since it is smaller than the sum of its proper divisors (18580575168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10320231312 is a wasteful number, since it uses less digits than its factorization.

10320231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45900 (or 45891 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10320231312 its reverse (21313202301), we get a palindrome (31633433613).

The spelling of 10320231312 in words is "ten billion, three hundred twenty million, two hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1619 3238 4857 6476 9714 12952 14571 19428 25904 29142 38856 44267 58284 77712 88534 116568 132801 177068 233136 265602 354136 398403 531204 708272 796806 1062408 1593612 2124816 3187224 6374448 71668273 143336546 215004819 286673092 430009638 573346184 645014457 860019276 1146692368 1290028914 1720038552 2580057828 3440077104 5160115656 10320231312